Suppose the cell phone manufacturer Plum Electronics provides the following information for its costs last month (in hundreds of thousands): (Click the icon to view the costs.) Requirements Requirements 1 and 2. Classify each of these costs according to its place in the value chain, and then calculate the total cost for each value chain category. (Leave any unused cells blank. Enter amounts in hundreds of thousands as given in the problem statement.) Plum Electronics Cost Classification Cost Salaries of telephone salespeople Depreciation on plant and equipment Exterior case for phone Scientists' salaries Delivery expense Production R and D Design Direct Direct Materials Labour Manufacturing Customer Overhead Marketing Distribution Service